diff --git a/assets/devices.json b/assets/devices.json
index aa01b7d..4356d7c 100644
--- a/assets/devices.json
+++ b/assets/devices.json
@@ -2,10 +2,12 @@
   "STAIRS_DOWN": {
     "id": "STAIRS_DOWN",
     "name": "Stairs Down",
+    "placement": "fixed",
     "foreground": [24, 205, 189],
     "background": [24, 205, 189],
     "description": "Stairs that go down further into the dungeon.",
     "inventory_count": 0,
+    "randomized": false,
     "components": [
       {"type": "Tile", "config": {"chr": "\u2ac5"}},
       {"type": "Device",
@@ -20,11 +22,26 @@
     "background": [24, 205, 189],
     "description": "Stairs that go up, for the weak.",
     "inventory_count": 0,
+    "placement": "fixed",
     "components": [
       {"type": "Tile", "config": {"chr": "\u2259"}},
       {"type": "Device",
         "config": {"test": true}, "events": ["Events::GUI::STAIRS_UP"]
       }
     ]
+  },
+  "SPIKE_TRAP": {
+    "id": "SPIKE_TRAP",
+    "name": "Spike trap",
+    "foreground": [24, 205, 189],
+    "background": [24, 205, 189],
+    "description": "Spikes stab you from the floor.",
+    "inventory_count": 0,
+    "components": [
+      {"type": "Tile", "config": {"chr": "\u1ac7"}},
+      {"type": "Device",
+        "config": {"test": true}, "events": ["Events::GUI::TRAP"]
+      }
+    ]
   }
 }
diff --git a/constants.hpp b/constants.hpp
index ed8710e..6878497 100644
--- a/constants.hpp
+++ b/constants.hpp
@@ -27,8 +27,6 @@ constexpr wchar_t UI_BASE_CHAR = L'█';
 constexpr int BG_BOX_OFFSET=5;
 
 // NOTE: max seems to be about x=240, y=120
-constexpr int GAME_MAP_X=80;
-constexpr int GAME_MAP_Y=40;
 constexpr int INVENTORY_PIXEL_X=50;
 constexpr int INVENTORY_PIXEL_Y=50;
 constexpr int INVENTORY_WIDTH=99;
diff --git a/devices.cpp b/devices.cpp
index 796781e..1969c20 100644
--- a/devices.cpp
+++ b/devices.cpp
@@ -14,6 +14,8 @@ namespace components {
         events.push_back(Events::GUI::STAIRS_DOWN);
       } else if(name == "Events::GUI::STAIRS_UP") {
         events.push_back(Events::GUI::STAIRS_UP);
+      } else if(name == "Events::GUI::TRAP") {
+        events.push_back(Events::GUI::TRAP);
       } else {
         dbc::sentinel(fmt::format("Unknown device event {}", name));
       }
diff --git a/events.hpp b/events.hpp
index f15dfff..38f0d5e 100644
--- a/events.hpp
+++ b/events.hpp
@@ -2,7 +2,7 @@
 
 namespace Events {
   enum GUI {
-    START, COMBAT, LOOT, DEATH, STAIRS_UP, STAIRS_DOWN
+    START, COMBAT, LOOT, DEATH, STAIRS_UP, STAIRS_DOWN, TRAP
   };
 
   struct Combat {
diff --git a/gui.cpp b/gui.cpp
index a38ca33..d4aa9bb 100644
--- a/gui.cpp
+++ b/gui.cpp
@@ -297,6 +297,9 @@ void GUI::handle_world_events() {
                 (bool)device.config["test"]));
           // toggle_modal(&$next_level_ui, $next_level);
        } break;
+      case eGUI::TRAP: {
+          $status_ui.log("You stepped on a TRAP!");
+       } break;
       default:
         $status_ui.log(format("INVALID EVENT! {},{}", evt, entity));
     }
diff --git a/levelmanager.cpp b/levelmanager.cpp
index 8441298..9cff359 100644
--- a/levelmanager.cpp
+++ b/levelmanager.cpp
@@ -13,6 +13,13 @@ LevelManager::LevelManager() {
   create_level();
 }
 
+LevelScaling LevelManager::scale_level() {
+  return {
+    30 + (5 * int($current_level)),
+    20 + (5 * int($current_level))
+  };
+}
+
 size_t LevelManager::create_level(shared_ptr<DinkyECS::World> prev_world) {
   auto world = make_shared<DinkyECS::World>();
 
@@ -22,7 +29,9 @@ size_t LevelManager::create_level(shared_ptr<DinkyECS::World> prev_world) {
     save::load_configs(*world);
   }
 
-  auto map = make_shared<Map>(GAME_MAP_X, GAME_MAP_Y);
+  auto scaling = scale_level();
+
+  auto map = make_shared<Map>(scaling.map_width, scaling.map_height);
   WorldBuilder builder(*map);
   builder.generate(*world);
 
diff --git a/levelmanager.hpp b/levelmanager.hpp
index 365acbd..c8bf0f6 100644
--- a/levelmanager.hpp
+++ b/levelmanager.hpp
@@ -17,6 +17,11 @@ struct GameLevel {
   shared_ptr<SpatialMap> collision;
 };
 
+struct LevelScaling {
+  int map_width=40;
+  int map_height=50;
+};
+
 class LevelManager {
   public:
   std::vector<GameLevel> $levels;
@@ -30,4 +35,5 @@ class LevelManager {
   GameLevel &current();
   size_t current_index() { return $current_level; }
   GameLevel &get(size_t index);
+  LevelScaling scale_level();
 };
diff --git a/point.hpp b/point.hpp
index 684cf50..50e57cd 100644
--- a/point.hpp
+++ b/point.hpp
@@ -15,7 +15,7 @@ struct Point {
 
 typedef std::vector<Point> PointList;
 
-struct PointHash {
+template<> struct std::hash<Point> {
   size_t operator()(const Point& p) const {
     return std::hash<int>()(p.x) ^ std::hash<int>()(p.y);
   }
diff --git a/render.hpp b/render.hpp
index d66d0d4..acb2b2f 100644
--- a/render.hpp
+++ b/render.hpp
@@ -25,8 +25,6 @@ struct RenderConfig {
   wchar_t bg_tile = BG_TILE;
   wchar_t ui_base_char = UI_BASE_CHAR;
   int bg_box_offset=BG_BOX_OFFSET;
-  int game_map_x=GAME_MAP_X;
-  int game_map_y=GAME_MAP_Y;
 };
 
 struct SFMLRender {
diff --git a/spatialmap.hpp b/spatialmap.hpp
index 44da144..97a6266 100644
--- a/spatialmap.hpp
+++ b/spatialmap.hpp
@@ -7,7 +7,8 @@
 
 typedef std::vector<DinkyECS::Entity> EntityList;
 
-typedef std::unordered_map<Point, DinkyECS::Entity, PointHash> PointEntityMap;
+// Point's has is in point.hpp
+typedef std::unordered_map<Point, DinkyECS::Entity> PointEntityMap;
 
 struct FoundEntities {
   bool found;
diff --git a/worldbuilder.cpp b/worldbuilder.cpp
index 5cccc79..ab31cd5 100644
--- a/worldbuilder.cpp
+++ b/worldbuilder.cpp
@@ -216,8 +216,12 @@ void WorldBuilder::randomize_entities(DinkyECS::World &world, GameConfig &config
     json& entity_db = select_entity_type(config, gen_config);
 
     std::vector<std::string> keys;
-    for(auto &el : entity_db.items()) {
-      keys.push_back(el.key());
+    for(auto& el : entity_db.items()) {
+      auto& data = el.value();
+
+      if(data["placement"] == nullptr) {
+        keys.push_back(el.key());
+      }
     }
 
     int rand_entity = Random::uniform<int>(0, keys.size() - 1);
@@ -230,6 +234,14 @@ void WorldBuilder::randomize_entities(DinkyECS::World &world, GameConfig &config
   }
 }
 
+inline void place_stairs(DinkyECS::World& world, GameConfig& config, Map& map) {
+  auto& device_config = config.devices.json();
+  auto entity_data = device_config["STAIRS_DOWN"];
+  int last_room = map.room_count() - 1;
+  auto entity = configure_entity_in_map(world, map, entity_data, last_room);
+  check_player(world, entity);
+}
+
 void WorldBuilder::place_entities(DinkyECS::World &world) {
   auto &config = world.get_the<GameConfig>();
   // configure a player as a fact of the world
@@ -251,6 +263,7 @@ void WorldBuilder::place_entities(DinkyECS::World &world) {
   }
 
   randomize_entities(world, config);
+  place_stairs(world, config, $map);
 }
 
 void WorldBuilder::generate(DinkyECS::World &world) {